142results about How to "Reduce the number of scans" patented technology

The invention discloses a generating method and system for a slice path used for 3D printing. The generating method comprises the following steps that S1, a to-be-printed model is layered so that slice layers can be obtained; S2, the slice layers are partitioned, and a plurality of slice layer areas are formed; S3, line segments in all the areas are connected according to the line segment connecting rule so that intra-area paths can be formed; S4, the intra-area paths in the different areas are connected according to the path connecting rule, and a plurality of complete paths are formed; and S5, the shortest distance among the complete paths is calculated, and the complete paths are combined according to the shortest distance so that the slice path used for 3D printing can be generated. According to the provided generating method and system for the slice path used for 3D printing, a slice path scanning mode that subarea scanning is conducted based on the model characteristics is put forward, thus, the number of times of empty scanning during machining is greatly decreased, the forming time is shortened, and in addition, the forming effect is improved.

The invention discloses an association rule algorithm based on an Apriori improved algorithm. First of all, a transaction database D is preprocessed, after data records are simplified, the data records are all read into a memory, in the process when candidate sets are generated through connecting and cutting frequent item sets, the process when the candidate sets are generated is improved, a candidate item set is directly generated, the database is scanned for calculating support after the candidate sets are obtained, and since the candidate sets and the transaction database D are ordered, when the candidate sets are respectively searched for in each transaction T, i.e., each record, once values greater than a candidate item are sought, search of the transaction is stopped. According to the invention, the improved Apriori algorithm is applied to a pharmacy management system, results indicate that the performance of the improved algorithm is obviously better than a conventional algorithm, the operation is concise, and actual demands are better satisfied.

The invention discloses a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel comprises a plurality of charging scanning lines, a plurality of discharging scanning lines, a plurality of first data lines, a plurality of second data lines and a plurality of columns of pixel units; the charging scanning lines and the discharging scanning lines are in parallel and arranged in a staggered manner along a first direction; the first data lines and the second data lines are in parallel along a second direction and are crossed with the charging scanning lines and the discharging scanning lines in an insulated manner; and each pixel unit comprises a charging thin film transistor, a discharging thin film transistor and a pixel electrode, wherein when the liquid crystal display panel scans the two adjacent charging scanning lines, the two adjacent discharging scanning lines that are in the different pixel unit lines with the two adjacent scanned charging scanning lines are scanned by the liquid crystal display panel within the same time frame. The liquid crystal display panel disclosed by the invention has the advantages of longer charging time of grid scanning, capability of adapting higher replacement rate operation and having two switchable display modes.

The invention discloses a connected domain detection method for sea-sky lines in infrared images under sea-sky backgrounds, belongs to the field of processing and application of infrared images under sea-sky environments, and aims at solving the problems that the detection of sea-sky lines is interfered to influence the profiles of ships and warships on the seal-sky lines as the backgrounds contain mountain chains and bridges when linear extraction is adopted in the prior art. The method disclosed by the invention comprises the following steps of: inputting a to-be-detected sea-sky line infrared image; graying the sea-sky line infrared image; removing strong water wave interferences and complicated background interferences in the grayed sea-sky infrared image; carrying out gradient operation; utilizing maximum value filtering to remove noises which undergo the gradient operation; carrying out gradient operation on the sea-sky infrared image of which the noises have been removed; carrying out binary processing on the obtained sea-sky line infrared image; and extracting a position of a sea-sky line in the sea-sky line infrared image subjected to the binary processing by utilizing a line segment table-based connected domain detection method. The method disclosed by the invention is used for the extraction of sea-sky lines.

The invention refers to a substrate processing method and a processing apparatus which can meanwhile process an upper side substrate and a lower side substrate of a laminated-substrate. In the substrate processing method, a laminated-substrate W carried on a platform is irradiated to process lineation grooves, and the short pulse laser beam with pulse width smaller than 10-10 seconds emitted from a laser light source is divided into two beams; the two beams L1 and L2 respectively penetrate a focus in different angles of divergence to form two focuses P ' and S ' with different positions through a focus formation convex lens, allowing the focus S 'of one beam to reach the upper side substrate W1 of the laminated-substrate W, and the focus S 'of another beam to reach the lower side substrate W2 of the laminated-substrate W, and the upper side substrate W1 and the lower side substrate W2 are meanwhile be processed by means of the two laser beams.

The invention discloses a method and an apparatus for realizing WIFI connection, which are used for improving speed of WIFI connection. The method comprises the following steps of: when a mobile device is ready to build the WIFI connection, determining a current geographical position of the mobile device; determining a SSID of at least one first WIFI which is recorded in a WIFI connection record sheet and from which the distance to the current geographical position is in a preset range, wherein the WIFI connection record sheet is used for recording the SSID of the WIFI which the mobile device is logged in already; controlling the mobile device to scan in the SSID of the at least one first WIFI; and according to the scanning result, controlling the mobile device to build the WIFI connection. The technical scheme provided by the invention can reduce the number of times of WIFI scanning, shorten time for searching for WIFI and improve the speed of WIFI connection.

The invention discloses a density calibration method for a C/SiC ceramic matrix composite material. The method comprises the following steps: a characteristic that the C/SiC composite material is densified stage by stage by the CVI technique is utilized, furnace gradient density standard samples are obtained at each densifying stage of the C/SiC composite material preparation; CT images are obtained by adopting the industrial CT technique to synchronistically detect the gradient density standard samples and the calibrated C/SiC composite material; the functional calibration relation between the CT values of the gradient density standard samples and the densities thereof is established; and the functional calibration relation is used for calibrating the internal density distribution of the C/SiC composite material on the same CT scanning section. The CT section scanning of the standard samples and the calibrated C/SiC composite material is carried out synchronistically in one-step, so that the information of the internal density distribution of the composite material is accurate, the detection speed is high, the precision is high, and the cost is low.

The embodiment of the invention discloses an antenna device and related equipment. The antenna device can comprise an antenna array and a control unit. The control unit is used for determining a firstantenna subarray from N rows multiplied by M columns of radiation units of the antenna array. The first antenna subarray comprises X1 rows multiplied by Y1 columns of radiation units, and X1 is greater than Y1. The phase shift increment change of the first antenna subarray is controlled to generate a plurality of first beams. A first alignment beam is determined from multiple first beams based onthe feedback from a receiving end. The control unit is further used for determining a second antenna subarray from the N rows multiplied by M columns of radiation units. The second antenna subarray comprises X2 rows multiplied by Y2 columns of radiation units, and Y2 is greater than X2. The phase shift increment change of the second antenna subarray is changed to generate multiple second beams. Asecond alignment beam is determined from a plurality of second beams based on the feedback from the receiving end. The efficiency of beam alignment can be enhanced by using the antenna device.

The present invention provides a navigation map construction method and device. The method includes the following steps that: at least two scanning positions within a target area are determined; ultrasonic waves are emitted to at least one scanning region in the target area from any one scanning position in the at least two scanning positions, reflection waveforms corresponding to each scanning area are respectively obtained according to the reflected waves of the ultrasonic waves; as for each reflection waveform, distance relations between obstacles in the scanning areas corresponding to thereflection waveforms and the scanning positions corresponding to the reflection waveforms are determined according to the information of wave peaks contained in the reflection waveforms; as for each obstacle, direction relations between each obstacle and the scanning positions are determined according to the distance relations between the obstacles and the at least two scanning positions; and thenavigation map of the target area is constructed according to the distance relations between the obstacles and the scanning positions and the direction relations between the obstacles and the scanningpositions. With the navigation map construction method and device of the invention adopted, the construction efficiency of the navigation map can be improved.

The invention discloses a medical document identification method based on an LSTM neural network, and the method comprises the steps: 1) carrying out the preprocessing of a document image, and converting an image signal into a digital signal; 2) segmenting characters, normalizingf document images; 3) extracting character features, generating feature vectors; 4) performing document identification and classification.According to the method, an LSTM neural network is creatively adopted to recognize and classify the images, and the method has the advantages of being high in recognition speed, highin fault-tolerant capability, high in recognition rate, good in classification result and the like.

The invention relates to a mapping table reconstruction method and device based on a solid state disk, computer equipment and a storage medium. The mapping table reconstruction method comprises the steps of obtaining a mapping table reconstruction request based on the solid state disk; scanning from the last physical page of the corresponding physical block according to the mapping table reconstruction request based on the solid state disk; reading a corresponding logic address and N logic address offsets from a data area of the current physical page, where N is a positive integer greater than1; obtaining logic addresses corresponding to N adjacent pages in sequence according to the logic address corresponding to the current physical page and the N logic address offsets; and reconstructing a mapping relationship from the logic address to the physical address according to the logic address corresponding to the current physical page and the logic addresses corresponding to the N adjacent pages. According to the mapping table reconstruction method, when the mapping table in the SSD is lost, the frequency of full-disk scanning can be reduced, and the purpose of quickly reconstructingthe mapping table is achieved.

Provided are a touch device and a scanning method of a touch panel of the touch device. At the first time t1, pulse scanning signals are sent to first electrodes at the same time, and at this moment, the first electrodes are adopted as scanning electrodes, and second electrodes are adopted as sensing electrodes to output sensing signals. When the fact that at least one second electrode is touched is judged according to the sensing signals output by the second electrodes, the scanning range of the second electrodes is determined according to the position of the at least one second electrode. At the second time t2, the pulse scanning signals are sent to the second electrodes within the scanning range in sequence, and at this moment, the second electrodes within the scanning range are adopted as the scanning electrodes, and the first electrodes are adopted as sensing electrodes to output the sensing signals. Finally, a touch point on the touch panel is determined according to the sensing signals output by the first electrodes. According to the touch device and the scanning method, the scanning frequency of the touch panel can be reduced, and the operating speed of the touch device can be improved.

This application discloses a system for image data processing. The system includes a scanner, one or more storage devices, and at least one processor. When the at least one processor executes the set of instructions, the at least one processor is configured to cause the system to: acquire a relationship between a scattered radiation intensity and a collimation width; obtain a target collimation width of the collimator; determine a target correction coefficient based on the target collimation width and the relationship between the correction coefficient and the collimation width.

The invention relates to a method for detecting a touch point on a touch panel. The touch panel is provided with a conductive with impedance anisotropy, wherein the conductive film have a low impedance direction and a high impedance direction vertical to each other; the conductive film is provided with a plurality of driving electrode couples along the low impedance direction, each driving electrode couple comprises at least one first driving electrode and at least one second driving electrode which are oppositely arranged along two opposite side edges of the conductive film. The method comprises the following steps: scanning the plurality of driving electrode couples in the high impedance direction to obtain an electrical signal curve, and judging the coordinate position of the touch point in the high impedance direction according to the electrical signal curve; sensing a first electrical signal between multiple first driving electrodes adjacent to the coordinate of the touch point in the high impedance direction of the conductive film and the touch point; sensing a second electrical signal between multiple second driving electrodes adjacent to the coordinate of the touch point in the high impedance direction of the conductive film and the touch point; and judging the coordinate of the touch point in the low impedance direction according to the ratio of the first electrical signal to the second electrical signal.

The embodiments of the invention provide a wireless fidelity (Wi-Fi) scanning method and mobile terminal wherein the method comprises the following steps: receiving a Wi-Fi scanning request initiated by a target application wherein the Wi-Fi scanning request carries the target application identification of the target application; detecting whether the target application identification exists in a preset identification set or not; when the target application identification does not exist in the preset identification set, determining whether the time difference between the current time and the previous Wi-Fi scanning time is greater than a preset threshold value or not; when the time difference between the current time and the previous Wi-Fi scanning time is smaller than or equal to the preset threshold value, reading the scanning result of the previous Wi-Fi scanning; and when the time difference between the current time and the previous Wi-Fi scanning time is greater than the preset threshold value, conducting Wi-Fi scanning. According to the embodiments of the invention, it is possible to reduce the Wi-Fi scanning times through the preset identification set, therefore, reducing the power consumption of a mobile terminal.

The invention relates to the field of data processing, in particular to the application of data backup, and discloses a snapshot backup method and device, a computer device and a storage medium. The method comprises the following steps: receiving a snapshot backup request, generating a backup task according to the snapshot backup request, wherein the snapshot backup request comprises data to be backed up; refreshing a storage end to obtain a storage snapshot corresponding to the data to be backed up, wherein the storage end is a storage device for storing the storage snapshot; mounting the stored snapshot into the backup host, executing the backup task to complete the backup of the data to be backed up; If it is detected that the backup of the data to be backed up is completed, the backuphost is controlled to uninstall the storage snapshot. This snapshot backup method improves backup efficiency.

The invention provides a CT scanner defocusing radiation intensity distribution measurement method, and relates to the technical field of CT data correction methods. The method comprises the steps: enabling a slender cylindrical die body to be fixed in a scanning aperture, to be perpendicular to a scanning plane, and to be far away from a rotation center as much as possible; enabling an X-ray source and a detector of a scanner to continuously rotate around the rotation center of a rack and executing exposure and data acquisition; carrying out background removal on the collected data; extracting signals which are not shielded at all, calculating an empty scanning gain of each detector unit, and carrying out gain correction on all data; and for each detector unit, calculating a sampling point through which a connecting line of a defocusing surface and the detector passes, and calculating the intensity of the sampling point reaching the detector units according to the attenuation value ofthe sampling point relative to the attenuation value when the sampling point is not shielded, and thus obtaining final defocusing distribution. According to the method provided by the invention, theintensity distribution of the defocusing radiation is obtained through the actual measurement of the specific die body, and more accurate correction can be carried out for the difference of each system.

The invention discloses an LED display screen and a scan display method thereof. The scan display method of the LED display screen comprises the steps that a full-color frame is collected to obtain full-color frame data according to the set frequency; the full-color frame data are divided into three sub-frame data, wherein the first sub-frame datum is composed of red grey information of the full-color frame data, the second sub-frame datum is composed of green grey information of the full-color frame data and the third sub-frame datum is composed of blue grey information of the full-color frame data; the three sub-frame data are sequentially output to drive the LED display screen for display, and therefore the full-color frame is displayed. The scan display method of the LED display screen has the good practical effect on the LED display screen with a large pixel.